HYMENOPTERA: CHALCIDOIDEA), 5 The genus Galeopsomyia Girault by Christer Hansson * & Paul E. Hanson ** Author Hansson, Christer Author Hanson, Paul E. text Taxonomic Monographs on Neotropical Hymenoptera 2023 Oxford, England 2023-09-28 3 1 1 743 http://dx.doi.org/10.5281/zenodo.8372023 journal article 10.5281/zenodo.8372024 978-1-7397467-2-8 2754-9844 D833085E-4DB3-48D3-964F-A41566442672 Galeopsomyia cissusae Hansson sp.nov. ( Figs 80, 81 , 701 ) Diagnosis (female). Antennal clava solid ( Fig. 701 ); genal carina present; mesoscutellum ( Fig. 80 ) with strong reticulation, meshes elongate, submedian grooves indistinct, running parallel to lateral margins of mesoscutellum and thus diverging towards posterior part; hind coxa with a carina along posterior margin; gaster ( Fig. 80 ) 2.7× as long as wide, medio-basal Gt 1 with a sharp transverse edge dorsally, all tergites with strong reticulation. Female holotype : length of body 2.2mm ( paratypes 2.3–2.8mm ). Scape yellowish-brown, pedicel and flagellum dark brown. Face below level of toruli golden-green, clypeus dark brown, frons metallic bluish-green, antennal scrobes black; vertex metallic bluish-green. Thoracic dorsum golden-green. Legs with fore and hind coxae golden-green, mid coxa black; trochanters brown; femora dark brown to black with metallic tinges and with anterior part yellowish-brown; tibiae yellowish-brown; T1–3 yellowish-brown, T4 brown. Petiole black. Gaster with Gt 1 metallic bluish-green with posterior margin golden-purple, Gt 2-5 black with metallic purple tinges, Gt 6-7 metallic bluish-green; gonoplac black. Antenna with solid clava. Head with strong reticulation, clypeus smooth, antennal scrobes with weak reticulation; with genal carina. Mesoscutum with strong reticulation, meshes isodiametric on sidelobes, elongate on midlobe; midlobe with an indistinct median groove, with eight adnotaular setae. Mesoscutellum with strong reticulation, meshes elongate; submedian grooves indistinct, running parallel to lateral margins of mesoscutellum and thus diverging towards posterior part. Dorsellum with strong reticulation. Propodeum with triangular median carina; callus with two setae. Fore and hind coxae with strong reticulation, mid coxa with weak reticulation; fore coxa with a sharp edge along posterior margin and hind coxa with a strong carina along posterior margin. Fore wing with four setae on dorsal surface of submarginal vein; speculum open below and towards base of wing; costal setal row unbroken. Petiole very short, just a narrow band. Gaster elongate; medio-basal Gt 1 with a sharp transverse edge dorsally; tergites with strong reticulation, Gt 1-4 with a smooth median line. Relative measurements: head length, dorsal view 24; head length, frontal view 40; POL 12; OOL 6.5; lateral ocellus diameter 5; head width 54; mouth width 18.5; malar space 15; eye length 22.5; scape length 19; scape width 4.5; pedicel+flagellum length 47; pedicel length 7.5; pedicel width, dorsal view 4; F1 length 8; F1 width 5.5; F2 length 7.5; F2 width 6; F3 length 6; F3 width 6; clava length 15; clava width 7; C3 length 5.5; spicule length 1; mesosoma length 70; mesosoma width 49; midlobe of mesoscutum length 28; mesoscutellum length 27; mesoscutellum width 25; median part of mesoscutellum width (measured medially) nm; median part of mesoscutellum, width in anterior part nm; median part of mesoscutellum, width in posterior part nm; lateral part of mesoscutellum, width (measured medially) nm; dorsellum length 3; propodeum length 9; costal cell length 39; costal cell width (measured at widest part) 3; marginal vein length 33; stigmal vein length 12.5; gaster length 98; gaster width 37; Gt 2 length (measured medially) 6; Gt 4 length (measured medially) 17; Gt 7 length (measured medially) 9; Gt 7 width (measured at base) 12; longest cercal seta length 12; shortest cercal seta length 6. Male. Unknown. Hosts . Reared from fruit galls on Cissus verticillata ( Vitaceae ), from which an unidentified Cecidomyiidae also emerged. Distribution . Costa Rica . Material examined. Holotype COSTA RICA , San José , San Pedro de Montes de Oca , 1100m , ix.2009 , ex Cissus fruit gall, P. Hanson ( NHMUK ) . Paratypes ( 3♀ , MZLU , MZUCR , NHMUK ) : 1♀ COSTA RICA, Cartago , Volcan Irazú , 3000m , 21.i.1983 , J.H. Martin ; 1♀ COSTA RICA, Guanacaste , Santa Cruz , Parque Nacional Marino Las Baulas, LN 258040_332690, 0m, 17.xii.2000 - 17.i.2001 , Y. Cárdenas ; 1♀ COSTA RICA, Puntarenas , Parque Internacional La Amistad , Valle del Silencio , Cerro Frantzius , LS 334150_574450, 2134m , 12.ix-12.x.2001 , malaise trap , F. Umaña . Etymology . Named after the host plant from which this species was reared.